Endeavour flies over Ariz. en route to Calif. home

Credit: Getty Images

IN SPACE - MAY 22: In this handout provided by National Aeronautics and Space Administration (NASA), Astronaut Andrew Feustel reenters the space station after completing n 8-hour, 7-minute spacewalk at 10:12 a.m. EDT as NASA space shuttle Endeavour makes its last visit to the International Space Station on May 22, 2011 in space. After 20 years, 25 missions and more than 115 million miles in space, Endeavour is on its final flight to the International Space Station before being retired and donated to the California Science Center in Los Angeles. Capt. Mark E. Kelly, U.S. Rep. Gabrielle Giffords' (D-AZ) husband, will lead mission STS-134 as it delivers the Express Logistics Carrier-3 (ELC-3) and the Alpha Magnetic Spectrometer (AMS-2) to the International Space Station. (Photo by NASA via Getty Images)